from tkinter import*

print ('Введите начальную  координату X:')
X = int(input())
print ('Введите начальную  координату Y:')
Y = int(input())
print ('Введите начальную  координату N:')
N = int(input())
coords = [0,0,10,0,10,10,20,10,20,20,10,20,10,30,0,30]

if N == 0 and X>=0 and X<=500 and Y>=0 and Y<=500:
     pass
else:
     if N > 0 and 0*N+X>=0 and  0*N+Y>=0 and 30*N+X<=500 and 20*N+X<=500:
         pass
     else:
         if N < 0 and 30*N+X>=0 and 20*N+X>=0 and 0*N+X<=500 and 0*N+Y<=500:
             pass
         else:
             print('размер фигуры привышает максимальный размер поля')
             exit()
root = Tk()
root.title("ИТ марафон")
root.geometry("500x500")
canvas = Canvas(bg="white",width=500,height=500)
canvas.pack(anchor=CENTER,expand=1)
canvas.create_polygon(coords[0] *N+X,coords[1] *N+Y,
                      coords[2] *N+X,coords[3] *N+Y,
                      coords[4] *N+X,coords[5] *N+Y,
                      coords[6] *N+X,coords[7] *N+Y,
                      coords[8] *N+X,coords[9] *N+Y,
                      coords[10] *N+X,coords[11] *N+Y,
                      coords[12] *N+X,coords[13] *N+Y,
                      coords[14] *N+X,coords[15] *N+Y,)                      
root.mainloop()
